package main

import "log"



func main() {

	const (
		a = 1 << iota
		b
		c
		d = 5
	)


	log.Println("sfs", a, b, c, d)
	log.Fatalln("fatal msg")
	log.Panicln("panic msg")

}

func init()  {

	log.SetPrefix("TRACE:")
	log.SetFlags(log.Ldate | log.Ltime | log.Llongfile)

}
